Base | Representation |
---|---|
bin | 101110000001… |
… | …111101011101 |
3 | 211201001100002 |
4 | 232001331131 |
5 | 11042113103 |
6 | 1110344045 |
7 | 204364514 |
oct | 56017535 |
9 | 24631302 |
10 | 12066653 |
11 | 68a1945 |
12 | 405b025 |
13 | 2666441 |
14 | 186167b |
15 | 10d5488 |
hex | b81f5d |
12066653 has 4 divisors (see below), whose sum is σ = 12701760. Its totient is φ = 11431548.
The previous prime is 12066641. The next prime is 12066667. The reversal of 12066653 is 35666021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35666021 = 19 ⋅1877159.
It is a cyclic number.
It is not a de Polignac number, because 12066653 - 210 = 12065629 is a prime.
It is a super-2 number, since 2×120666532 = 291208229244818, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12066673) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317525 + ... + 317562.
It is an arithmetic number, because the mean of its divisors is an integer number (3175440).
Almost surely, 212066653 is an apocalyptic number.
It is an amenable number.
12066653 is a deficient number, since it is larger than the sum of its proper divisors (635107).
12066653 is an equidigital number, since it uses as much as digits as its factorization.
12066653 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 635106.
The product of its (nonzero) digits is 6480, while the sum is 29.
The square root of 12066653 is about 3473.7088248729. The cubic root of 12066653 is about 229.3659474435.
The spelling of 12066653 in words is "twelve million, sixty-six thousand, six hundred fifty-three".
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